A tugboat.
A dog toy consisting of a rope, often with a knot in it.
A trace, or drawing strap, of a harness.
An iron hook of a hoisting tub, to which a tackle is affixed.
A sudden powerful pull.
An act of male masturbation.
To masturbate.
To tow by tugboat.
To pull or drag with great effort.
To pull hard repeatedly.
The waterline of a ship.
Of a route that follows a riverbank or shoreline.
An instrument to show the level by means of the surface of water in a trough, or in upright tubes connected by a pipe.
The level of a body of water, especially when measured above a datum line.
The level of the water table below ground.